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摘要
申请公布号
JPH0330679(U)
申请公布日期
1991.03.26
申请号
JP19890091506U
申请日期
1989.08.04
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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