History change record, Bestar electronics industry co.,ltd, 21 piezo sounder – BeStar BSP1212-03H03 LF User Manual
Page 7: Change items, Version no, Approved drawn, Date
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BESTAR ELECTRONICS INDUSTRY CO.,LTD
B
Drawn
Date
6
5
A
REV.
C
D
B
Page:6 of 6
Drawn by:
Note
4
3
Checked by:
Approved by:
2
1
Piezo Sounder
Date:
BSP1212-03H03 LF
A
C
D
BSP1212-03H03 LF
Change Items
6. History change record
E
F
version
No.
G
A
Before
H
6
5
E
F
Approved
Drawn
After
06/06/28
杨红烨
郭敏
Date
G
4
3
2
1
H
B
邱 俊
邱 俊
李红元
张秀琴
DRG NO: BS/TEP01.425B
B
邱 俊
张秀琴
The lenth of the
sound hole is 1.9
The lenth of the
sound hole is 2.5
08/3/5
08/3/5
08/3/5
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