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发明名称
Weatherproof breather and relief vent for gas regulators
摘要
申请公布号
US2620087(A)
申请公布日期
1952.12.02
申请号
US19490096515
申请日期
1949.06.01
申请人
UNIVERSAL CONTROLS CORPORATION
发明人
PETERSON CHARLES D.
分类号
F16K17/19
主分类号
F16K17/19
代理机构
代理人
主权项
地址
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