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CN108752215A
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A kind of synthetic method of o-nitrophenyl acetic acid
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CN108993568A
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A kind of synthetic method of p-bromophenyl allyl ether
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CN108646927A
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A kind of portable computer keyboard
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CN108609763A
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A kind of purifier of water resource
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CN108793881A
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A kind of preparation method of inorganic thermal insulation plate material
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CN108609819A
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A kind of riverway sludge processing unit
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CN108731256A
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A kind of hot water apparatus improving water resources management
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CN108889283A
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A kind of aerogel type calcium ions and magnesium ions adsorbent material preparation method
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CN108911971A
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A kind of synthetic method of intermediate Alpha-hydroxy parachloromandelic acid
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CN108863795A
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A kind of synthetic method of phenethyl acetate
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CN108978217A
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A kind of preparation method of uvioresistant fiber fabric
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CN108555891A
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A kind of mine working machine people
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CN108927153A
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It is a kind of for synthesizing the catalyst of 4- Aminophenethyl alcohol
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CN108840802A
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A kind of synthetic method of the synthesis of intermediate 4- Aminophenethyl alcohol
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CN108689843A
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A kind of 4-(4- phenylbutoxies) benzoic acid synthetic method
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CN108671957A
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One kind is for synthesizing 4-（4- phenylbutoxies) benzoic acid catalyst
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CN108620114A
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A kind of catalyst for synthesizing 4- phenylbutanols
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CN108586202A
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A kind of synthetic method of intermediate 4- phenylbutanols
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CN108722467A
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A kind of catalyst for the bromo- 4- phenyl butanes of 1-
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CN108911948A
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A kind of synthetic method of the bromo- 4- phenyl butane of intermediate 1-
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