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经营范围
发明名称
Insect exterminator
摘要
申请公布号
US2157449(A)
申请公布日期
1939.05.09
申请号
US19380218457
申请日期
1938.07.09
申请人
MAX BERG
发明人
BERG MAX
分类号
A01M1/14;A01M1/16;A01M1/20
主分类号
A01M1/14
代理机构
代理人
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地址
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