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发明名称
Printing apparatus
摘要
申请公布号
US2134129(A)
申请公布日期
1938.10.25
申请号
US19370129526
申请日期
1937.03.06
申请人
TELCO CORPORATION
发明人
HOYT KARL R.
分类号
G03C7/22
主分类号
G03C7/22
代理机构
代理人
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