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经营范围
发明名称
Venetian blind
摘要
申请公布号
US2229221(A)
申请公布日期
1941.01.21
申请号
US19370157260
申请日期
1937.08.04
申请人
H. B. DODGE AND COMPANY
发明人
PRATT RAYMOND C.
分类号
E06B9/308
主分类号
E06B9/308
代理机构
代理人
主权项
地址
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