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经营范围
发明名称
Thermostatic control mechanism
摘要
申请公布号
US1957664(A)
申请公布日期
1934.05.08
申请号
US19320647586
申请日期
1932.12.16
申请人
VAPER CAR HEATING COMPANY, INC.
发明人
PARKS PAUL B.;SMITH WILLIAM M.
分类号
G05D23/275
主分类号
G05D23/275
代理机构
代理人
主权项
地址
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