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发明名称
Bus ventilator
摘要
申请公布号
US1983979(A)
申请公布日期
1934.12.11
申请号
US19330678596
申请日期
1933.07.01
申请人
ELECTRIC SERVICE SUPPLIES COMPANY
发明人
GRAHAM HERBERT J.
分类号
B60H1/00
主分类号
B60H1/00
代理机构
代理人
主权项
地址
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