发明授权
US5890572A Lockup clutch for torque converter 失效
变矩器锁止离合器

Lockup clutch for torque converter
摘要:
The invention includes a decompression board 35 bonded on a piston 1, and bonds a friction member 40 on a surface of the decompression board, wherein an oil groove is formed on the decompression board.
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