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(5). NON-DESTRUCTIVE TESTING OF CONCRETE BY SOUND VELOCITY METHOD : Apparatus and Measuring Procedure
5.衝撃波音速測定法によるコンクリートの無破壊試験の研究 : 衝撃波音速測定法及び同装置
1955
Transactions of the Architectural Institute of Japan
5.衝撃波音速測定法によるコンクリートの無破壊試験の研究 : 衝撃波音速測定法及び同装置