发明名称 |
MATERIALE DI REGISTRAZIONE. |
摘要 |
Pressure- or heat-sensitive record material carries hydrated zirconia as a color developer material. The hydrated zirconia may be modified by the presence of compounds or ions of one or more multivalent metals. |
申请公布号 |
IT8224593(D0) |
申请公布日期 |
1982.12.03 |
申请号 |
IT19820024593 |
申请日期 |
1982.12.03 |
申请人 |
THE WIGGINS TEAPE GROUP LTD |
发明人 |
KENNETH JOHN SHANTON |
分类号 |
B41M5/155;(IPC1-7):G11B/ |
主分类号 |
B41M5/155 |
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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