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发明名称
Double acting automatic draft control device
摘要
申请公布号
US1988539(A)
申请公布日期
1935.01.22
申请号
US19330695713
申请日期
1933.10.28
申请人
WAYNE BOWERSOX MARVIN
发明人
BOWERSOX MARVIN WAYNE
分类号
F23L11/02
主分类号
F23L11/02
代理机构
代理人
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地址
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