23
12.HOOK AND BOBBIN THREAD SUPPLY COMPONENTS
47
49
46
48
50
51
52
44
53
54
29
57
B
B
56
66
58
67
59
60
61
62
63
55
18
A
A
65
45
19
65
65
64
68
68
21
20
23
22
26
24
27
28
25
32
31
3534
37
36
38
38
39
40
41
43
42
30
33
4
5
6
7
8
9
3
10
11
12
13
14
15
16
17
2
1
69
70
71
72