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Igwe Mbelata Concentric Concentric dị elu
Vidiyo nwụnye
Ntuziaka Ngwaahịa
1. Ọmụmaatụ: AR03
A-----Amaahịa ụlọ ọrụ
R----ihe na-ebelata kọn concentric
06----Nọmba ebu
2. Ụdị pụrụ iche kwesịrị izipu ozi-e iji kpọtụrụ onye nrụpụta iji hazie ya.
3.Agba:
Ntuziaka Ngwaahịa
| Nọmba | A(mm) | Inch | B (mm) | C(mm) | D(mm) |
| AR06-AR03 | 67 | 2 5/8 | 48 | 45 | Iri ise |
| AR09-AR02 | 89 | 3 1/2 | 42 | 45 | Iri ise |
| AR12-AR02 | 127 | 5 | 42 | 75 | 75 |
| AR15-AR05 | 168 | 6 5/8 | 60 | 95 | 75 |
| AR18-AR09 | 219 | 8 5/8 | 89 | 110 | 75 |
| AR22-AR13 | 324 | 12 3/4 | 141 | 150 | 100 |
| AR28-AR15 | 486 | 19 1/8 | 168 | 267 | 165 |
| AR39-AR27 | 762 | 30 | 457 | * | * |
