20 × 138 mmB: Perbedaan antara revisi

<!-- Production history -->|designer=|design_date=1930|manufacturer=Swiss Solothurn|production_date=|variants=Long Solothurn

<!-- Specifications -->|parent=|case_type=Bottleneck, belted|bullet=20mm|neck=|shoulder=|base=|rim_dia=|rim_thick=|case_length=137.4 mm|length=|case_capacity=|rifling=|primer=|max_pressure=|max_cup=|filling=|filling_weight=|detonation=|yield=<!-- Ballistic performance -->|is_SI_ballistics=|bwunit=|bw1={{convert|4.1|oz|g}}|btype1=|vel1={{convert|2950|ft/s|m/s}}|en1={{convert|34655|ftlb-f|abbr=on}} <ref name=mmj>{{cite book |last=Johnson |first=Melvin M., Jr. |authorlink =Melvin Johnson |title =Rifles and Machine Guns |publisher =William Morrow and Company |volume = |edition = |date =1944 |location = |page =385 |isbn =}}</ref>|bw2=|btype2=|vel2=|en2=|bw3=|btype3=|vel3=|en3=|bw4=|btype4=|vel4=|en4=|bw5=|btype5=|vel5=|en5=|test_barrel_length=|balsrc=}}

 

== Sejarah ==