发明名称 |
ELECTRONIC CHARGE CARD |
摘要 |
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申请公布号 |
GB8720770(D0) |
申请公布日期 |
1987.10.14 |
申请号 |
GB19870020770 |
申请日期 |
1987.09.04 |
申请人 |
SPENCER, F G |
发明人 |
|
分类号 |
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主分类号 |
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代理机构 |
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代理人 |
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主权项 |
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地址 |
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