Patent search ap:("ECOLE POLYTECH") AND inv:"SURABOMIRU BIKUTORU SABIE" Page 1

1.

发明专利
ELECTRET FORMED OF PLASMA POLYMER MATERIAL 失效

公开(公告)号：JPS56103415A

公开(公告)日：1981-08-18

申请号：JP14674480

申请日：1980-10-20

Applicant: ECOLE POLYTECH

Inventor： SURABOMIRU BIKUTORU SABIE , MIHAERU ROBERUTO BERUTOHEIMAA

IPC: H04R19/00 , B05D7/24 , H01G7/02 , H04R7/04

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