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CHARACTER IDENTIFICATION
摘要
申请公布号
ZA8004090(B)
申请公布日期
1981.06.24
申请号
ZA19800004090
申请日期
1980.07.08
申请人
ANGLO AMERICAN CORP OF SOUTH AFRICA LTD
发明人
VAN DER WALT N;SWANEPOEL L;BOUT B;REES M
分类号
G06K
主分类号
G06K
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