密封真空计A型-耐蒸汽腐蚀抗震型朝日仪器工业325-A881X-0.1MPA-MV(带校准证书和追溯系统图)
密封真空计A型-耐蒸汽腐蚀抗震型朝日仪器工业315-A751X-0.1MPA-MV(带校准证书和追溯系统图)