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经营范围
发明名称
Gas space heater
摘要
申请公布号
US3336914(A)
申请公布日期
1967.08.22
申请号
US19650440796
申请日期
1965.03.18
申请人
RUHL CHARLES L
发明人
RUHL CHARLES L.
分类号
F23D14/10;F24H3/00
主分类号
F23D14/10
代理机构
代理人
主权项
地址
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