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发明名称
METHOD OF CLOSING PIPE
摘要
申请公布号
JPS60113890(A)
申请公布日期
1985.06.20
申请号
JP19830219188
申请日期
1983.11.21
申请人
OSAKA GAS KK
发明人
SASAKI TOSHIKATSU;YAMAGISHI TAKAO;KAI OSAMU;HIROSE MATSUO
分类号
F16L55/10;F16L55/00;F16L55/12
主分类号
F16L55/10
代理机构
代理人
主权项
地址
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