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发明名称
JOINING METHOD OF BURIED PIPINGS FOR WATER SERVICE
摘要
申请公布号
JPS57146983(A)
申请公布日期
1982.09.10
申请号
JP19810030918
申请日期
1981.03.04
申请人
RIKEN KK
发明人
SUGIUCHI TOSHITAKA;SUDOU MASAMI;MAKINO SEIJI;OKAZAKI TAKEO;SUZUKI KAZUMA;OZAWA YUKIO
分类号
F16L19/08
主分类号
F16L19/08
代理机构
代理人
主权项
地址
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