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经营范围
发明名称
Manual and automatic safety gas appliance
摘要
申请公布号
US2012873(A)
申请公布日期
1935.08.27
申请号
US19340722394
申请日期
1934.04.25
申请人
GILLEN DANIEL A
发明人
GILLEN DANIEL A.
分类号
F16K17/38
主分类号
F16K17/38
代理机构
代理人
主权项
地址
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