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CN108819020A
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A kind of bubble paper recovery method
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A kind of carton method of cutting out
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CN108819153A
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A kind of moulding quick molding method
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A kind of film take-up technique
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CN108819066A
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A kind of environment-friendlythin thin film production technology
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CN108912392A
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A kind of bubble paper biodegrading process
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CN108819176A
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A kind of blow molding method of plastic mould
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CN108943540A
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A kind of film production method
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CN108943893A
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A kind of packaging material and its manufacturing method containing foil laminated film
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CN108909090A
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A kind of packaging material and its manufacturing method containing glass fibre
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CN108973294A
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A kind of packaging material and its manufacturing method containing pearl silk floss
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CN108943894A
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A kind of packaging material and its manufacturing method containing active carbon
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