发明名称 |
Window sash balance |
摘要 |
|
申请公布号 |
US1910112(A) |
申请公布日期 |
1933.05.23 |
申请号 |
US19310556651 |
申请日期 |
1931.08.12 |
申请人 |
UNIQUE BALANCE CO. |
发明人 |
LARSON ALGOT |
分类号 |
E05D13/00;E05F1/16 |
主分类号 |
E05D13/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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