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发明名称
IMPROVEMENTS IN PIPE COUPLINGS
摘要
申请公布号
ZA6907316(B)
申请公布日期
1971.03.31
申请号
ZA19690007316
申请日期
1969.10.17
申请人
HYDE F
发明人
HYDE F
分类号
F16L
主分类号
F16L
代理机构
代理人
主权项
地址
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