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经营范围
发明名称
Smoke generator
摘要
申请公布号
US2902991(A)
申请公布日期
1959.09.08
申请号
US19570678379
申请日期
1957.08.15
申请人
WHITMAN HOWARD E
发明人
WHITMAN HOWARD E.
分类号
A23B4/052
主分类号
A23B4/052
代理机构
代理人
主权项
地址
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