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发明名称
摘要
申请公布号
JPS4960008(A)
申请公布日期
1974.06.11
申请号
JP19720102677
申请日期
1972.10.16
申请人
发明人
分类号
F16L27/12;F16L37/00;F16L39/04
主分类号
F16L27/12
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代理人
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地址
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