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Update No. 1 was published as notification that this is now a National Standard of Canada This PDF includes Update No. 1 Preface This is the first edition of CSA A123.21, Standard test method for the dynamic wind uplift resistance of mechanically

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A123.3-05 (R2010) Asphalt Saturated Organic Roofing Felt 现行 发布日期 :  1970-01-01 实施日期 : 

Preface This is the third edition of CSA A123.3, Asphalt saturated organic roofing felt. It supersedes the second edition, published in 1998, and the first edition, Asphalt or Tar Saturated Organic Roofing Felt, published in 1979. It is one of a series

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CAN/CSA-A123.2-03 Asphalt-Coated Roofing Sheets 现行 发布日期 :  1970-01-01 实施日期 : 

Update No. 1 was published as notification that this is now a National Standard of Canada This PDF includes Update No. 1 1 Scope 1.1 This Standard deals with asphalt-coated roofing sheets composed of asphalt-saturated organic felt coated on one o

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