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2.421-75.


Unified system for design documentation.

Rules for making working drawings of sprockets

for plate-link chain wheels

1976-01-01

1.

B.., .., .., .., ..

2. 17.04.75 N 976

3. 207-86

4. 2.421-70

5. -

6. ( 1988 .) N 1, 1987 . ( N 1-88).

2.421-75 pdf


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: 04. 02. 2015


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