公开(公告)号：CA302950A

公开(公告)日：1930-08-12

申请号：CA302950D

Applicant: SCHAEFER WILHELM

Inventor： SCHAFER WILHELM

公开(公告)号：GB190020790A

公开(公告)日：1901-08-10

申请号：GB190020790D

申请日：1900-11-17

Applicant: SCHAEFER WILHELM

Inventor： SCHAFER WILHELM

公开(公告)号：GB189715047A

公开(公告)日：1898-05-07

申请号：GB189715047D

申请日：1897-06-23

Applicant: HEINEMANN ARTHUR ,  SCHAEFER WILHELM

Inventor： HEINEMANN ARTHUR ,  SCHAFER WILHELM

Abstract: 15,047. Heinemann, A., and Schafer, W. June 23. Secondary batteries.-The electrolyte is absorbed in chemically-pure wood charcoal. The charcoal may be in the form of powder, or may be in the form of envelopes or sheaths which form protective coverings for the electrodes.

公开(公告)号：CA54215A

公开(公告)日：1896-12-01

申请号：CA54215D

申请日：1896-02-27

Applicant: SCHAEFER WILHELM

Inventor： SCHAFER WILHELM