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经营范围
发明名称
摘要
申请公布号
JPS56148174(U)
申请公布日期
1981.11.07
申请号
JP19800046544U
申请日期
1980.04.07
申请人
发明人
分类号
F16K37/00;(IPC1-7):F16K37/00
主分类号
F16K37/00
代理机构
代理人
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地址
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