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经营范围
发明名称
Soundproof window construction
摘要
申请公布号
US1991832(A)
申请公布日期
1935.02.19
申请号
US19330671622
申请日期
1933.05.18
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
ZAND STEPHEN J.
分类号
B64C1/14
主分类号
B64C1/14
代理机构
代理人
主权项
地址
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Combined ice shaver and scoop
Nailing tool
Bottle
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