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经营范围
发明名称
AIRGAP
摘要
申请公布号
US3512545(A)
申请公布日期
1970.05.19
申请号
USD3512545
申请日期
1967.10.27
申请人
GRANNING ENAMELING CO.
发明人
PAUL J. WEAVER
分类号
F16K24/04;(IPC1-7):F16K45/00
主分类号
F16K24/04
代理机构
代理人
主权项
地址
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