177 / 1609
Validity limits for the Paris system
Active length
(mm)
Minimum
Separation
(mm)
Maximum
Separation
(mm)
10 to 40
8
15
50 to 90
10
20
100
15
25
13
|
|
177 / 1609
Validity limits for the Paris system
Active length
(mm)
Minimum
Separation
(mm)
Maximum
Separation
(mm)
10 to 40
8
15
50 to 90
10
20
100
15
25
13