HYDROMETER, GRADUATED SCALE API GRAVITY
比重计 刻度API比重计

1990-01-29

HYDROMETER, GRADUATED SCALE, API GRAVITY (WITH THERMOMETER) (NO S/S DOCUMENT)
比重计、刻度尺、API比重计（带温度计）（无S/S文件）

1986-06-18

HYDROMETERS, GRADUATED SCALE WITH THERMOMETER, API GRAVITY (S/S BY A-A-53608)
比重计 带温度计的刻度尺 API重力（S/S由A-A-53608提供）

1966-11-10

HYDROMETERS, GRADUATED SCALE WITH THERMOMETER, API GRAVITY (S/S BY A-A-53608)
湿度计 带温度计的刻度 API重量（S/S BY A-A-53608）

1989-01-17

HYDROMETER, GRADUATED SCALE, API GRAVITY (WITH THERMOMETER) (NO S/S DOCUMENT)
API比重计（带温度计）（无S/S文件）

1993-09-22

HYDROMETERS, GRADUATED SCALE A.P.I. GRAVITY (S/S BY A-A-54076)
比重计 刻度A.P.I.重力（S/S由A-A-54076）

1966-05-11

HYDROMETER, GRADUATED SCALE (SPECIFIC GRAVITY RANGE 1.196 TO 1.286)
刻度液体比重计（比重范围1.196至1.286）

1993-01-11

HYDROMETERS, GRADUATED SCALE A.P.I. GRAVITY (S/S BY A-A-54076)
水压计 分级秤A.P.I. GRAVITY（S/S BY A-A-54076）

1990-02-05

HYDROMETER, GRADUATE SCALE, SPECIFIC GRAVITY RANGE 1.196 TO 1.286 (S/S BY A-A-54796)
比重计 刻度 比重范围1.196至1.286（S/S由A-A-54796提供）

1974-09-16

HYDROMETER, GRADUATE SCALE, SPECIFIC GRAVITY RANGE 1.196 TO 1.286 (S/S BY A-A-54796)
比重计 刻度尺 比重范围1.196至1.286（A/S A-A-54796）

1993-03-05