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经营范围
发明名称
Air valve
摘要
申请公布号
US3342450(A)
申请公布日期
1967.09.19
申请号
US19650483744
申请日期
1965.08.30
申请人
SPERRY RAND CORPORATION
发明人
SCHONFELD ARNOLD;JACOBY MARVIN
分类号
B41J23/22
主分类号
B41J23/22
代理机构
代理人
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