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发明名称
摘要
申请公布号
JPS53100170(U)
申请公布日期
1978.08.14
申请号
JP19770004898U
申请日期
1977.01.19
申请人
发明人
分类号
F16K31/68;B60H1/32;F25B41/06;(IPC1-7):F25B41/06;B60H3/04
主分类号
F16K31/68
代理机构
代理人
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