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JPH0474901A
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Tape measure with inner dimension measurement scale
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JPH01203580A
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Heat and sound insulation based on existing glass door
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JPS63189785A
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Heat accumulating and hot water supplying structure in earth
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JPS62116231A
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Air pocket valve
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JPS6214728A
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Temperature control in greenhouse by solar ray and heat
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JPS61153079A
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Pump
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JPS61142200A
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Pump
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JPS60240657A
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Method of vessel-direction universal extraction vessel and device thereof
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JPS6170342A
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Heat storage hot water supply structure in soil
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JPS5937394A
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Frost bursting preventive pipe
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JPS59192184A
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Multiple heat insulating plastic door
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JPS58214748A
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Construction of underground solar heat accumulator
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JPS58187754A
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Solar heat underground heat storage room heater/cooler
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JPS57139250A
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Solar heat hot water apparatus utilizing pressure of service water
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JPS56117049A
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Light-weight solar heat water heater
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JPS5414032A
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Method of exchanging heat in high temperature solar energy water heater
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JPS53109237A
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High temperature solar heater
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JPS52120515A
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Construction method of concrete assembly wall body
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JPS52109728A
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Method of constructing wall using concrete boards
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