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发明名称
HEXADECIMAL SLIDE RULE
摘要
申请公布号
US3716186(A)
申请公布日期
1973.02.13
申请号
USD3716186
申请日期
1971.11.17
申请人
MAR COM DEV INC,US
发明人
COMFORT K,US
分类号
G06G1/02;(IPC1-7):G06G1/02
主分类号
G06G1/02
代理机构
代理人
主权项
地址
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