1. 16mm 0 69MPa 7kgf cm GR20B 04 2 C 2. HH WC EV lt gt e A RD ER L 2 3. D 4. 3 7 58 955 0852 TEL 0256 36 4001 01 20 71 1 52 FAX 0256 36 4050 E mail niigata greenlife web cojp 9 00 17 00 URL http www greenlife web cojp 5. 4 15mm NC a a N 7 N 12mm US 6 4 MS lt 12mm si mm 6. GREEN LIFE GR20B 20B 1 1 XA 2 6 6 S IVR 16mm 15mm 62mm N