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发明名称
摘要
申请公布号
JPS4417407(Y1)
申请公布日期
1969.07.28
申请号
JP19650046073U
申请日期
1965.06.08
申请人
发明人
分类号
F16L57/00;F16L59/14;(IPC1-7):F16L59/14
主分类号
F16L57/00
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代理人
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