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发明名称
摘要
申请公布号
JPS51121515(U)
申请公布日期
1976.10.01
申请号
JP19750018794U
申请日期
1975.02.10
申请人
发明人
分类号
F16L19/03;B29B13/00;B29C33/00;B29C33/02;F16L19/02;F16L41/08;(IPC1-7):F16L19/02;B29C1/00
主分类号
F16L19/03
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代理人
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地址
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