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发明名称
Способ мокрого обогащения угля в тяжелой жидкости
摘要
申请公布号
SU50235(A1)
申请公布日期
1937.01.31
申请号
SU19330129810
申请日期
1933.06.04
申请人
PREDPRIYATIE SOFIYA YAKOBA
发明人
GERARD YAN DE VOJS
分类号
B03B5/30;B03B11/00
主分类号
B03B5/30
代理机构
代理人
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