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经营范围
发明名称
Closed system dry cleaning apparatus utilizing volatile solvent
摘要
申请公布号
US2639599(A)
申请公布日期
1953.05.26
申请号
US19490114351
申请日期
1949.09.07
申请人
WELLFORD JR WALKER L
发明人
JR. WALKER L. WELLFORD,
分类号
D06F43/02
主分类号
D06F43/02
代理机构
代理人
主权项
地址
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