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经营范围
发明名称
PREPARATION FOR PIPELINE SEALING
摘要
申请公布号
CS180304(B1)
申请公布日期
1977.12.30
申请号
CS19750006735
申请日期
1975.10.06
申请人
BOEHM,VLADIMIR,CS
发明人
BOEHM,VLADIMIR,CS
分类号
F16L13/02;(IPC1-7):F16L13/02
主分类号
F16L13/02
代理机构
代理人
主权项
地址
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