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发明名称
摘要
申请公布号
JPS5322817(Y2)
申请公布日期
1978.06.14
申请号
JP19720012237U
申请日期
1972.01.31
申请人
发明人
分类号
F16K37/00;(IPC1-7):F16K37/00
主分类号
F16K37/00
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代理人
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地址
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