page_title: 15 cm sIG 33 (Sf) auf Panzerkampfwagen I Ausf B
hierarchical_section_title: 15 cm sIG 33 (Sf) auf Panzerkampfwagen I Ausf B
context_page_description: The 15 cm sIG 33 (Sf) auf Panzerkampfwagen I Ausf B, sometimes referred to as the Sturmpanzer I Bison was a German self-propelled gun used during World War II.
context_section_description: The 15 cm sIG 33 (Sf) auf Panzerkampfwagen I Ausf B, sometimes referred to (unofficially) as the Sturmpanzer I Bison  was a German self-propelled gun used during World War II.
caption: A sIG 33 (Sf) on a Pz.Kpfw. I chassis in Russia, 1942
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