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经营范围
发明名称
Protector
摘要
申请公布号
US2890710(A)
申请公布日期
1959.06.16
申请号
US19570679439
申请日期
1957.08.21
申请人
HENERY HARTMAN JOSEPH
发明人
HARTMAN JOSEPH HENERY
分类号
F16K31/60
主分类号
F16K31/60
代理机构
代理人
主权项
地址
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