Similar to 伊号第四十九潜水艦

Japanese Type L submarine#Type L1 (Ro-51-class)

Japanese Type L submarine#Type L2 (Ro-53-class)

Japanese Type L submarine#Type L3 (Ro-57-class)

Japanese Type L submarine#Type L4 (Ro-60-class)

Ro-100-class submarine

Japanese submarine I-6

Japanese submarine I-12

Japanese submarine I-51

Japanese submarine I-121

Japanese submarine I-122

Japanese submarine I-123

Japanese submarine I-124

Japanese submarine I-152

Japanese submarine I-176

Japanese submarine I-177