Patent search ap:("ELECTRO MANGANESE CORP") AND inv:"PARSONS WILLIAM A" Page 1

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发明授权
Removing deposits from diaphragms employed in manganese electrowinning 失效
Title translation: 从锰电解冶金中使用的膜片中除去沉积物

公开(公告)号：US2739869A

公开(公告)日：1956-03-27

申请号：US29991652

申请日：1952-07-19

Applicant: ELECTRO MANGANESE CORP

Inventor： PARSONS WILLIAM A

IPC: C25C7/04

CPC classification number: C25C7/04

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