تعداد ۱ پاسخ غیر تکراری از ۱ پاسخ تکراری در مدت زمان ۰,۲۸ ثانیه یافت شد.

1. Friction materials

پدیدآورنده : / Louis B. Newman

کتابخانه: Central Library and Documents Center of Mazandaran University (Mazandaran)

موضوع : Brakes- Patents,Clutches (Machinery)- Patents,Friction materials- Patents,Patents- United States

رده :

TJ1060

.

N48

1978

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