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JIS B 9920:1989
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JIS B 9920:1989 Measuring methods for airborne particles in clean room and evaluating methods for air cleanliness of clean room (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1989
M00043821
2021-02-17
New product
JIS B 9920:1989 Measuring methods for airborne particles in clean room and evaluating methods for air cleanliness of clean room (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1989