Patent search ap:("INGENIEURBUREAU D ING ALFRED J") AND inv:"HERMANN WALDER" Page 1

1.

发明授权
Four-stroke internal combustion engine 失效
Title translation: 四冲程内燃机

公开(公告)号：US3015323A

公开(公告)日：1962-01-02

申请号：US73466758

申请日：1958-05-12

Applicant: INGENIEURBUREAU D ING ALFRED J

Inventor： HERMANN WALDER

IPC: F01L1/28 , F02B3/06 , F02F1/24 , F02F1/42

CPC classification number: F02F1/4264 , F01L1/285 , F02B3/06 , F02B2275/34 , F02F1/4285 , F02F2001/247

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